Pentabromodiphenyl Oxide CAS # 32534-81-9

Molecular weight  564.69

The commercial product is a blend of different degrees of Br substitutions

Equivalent weight NA
Formula C12H5Br5O
Toxicity/Safety See MSDS of Supplier. There is substantial concern about the safety of this chemical
Appearance Appearance Viscous Amber Liquid
Specific Gravity, 25C, 77F, g/ml  2.3
Viscosity,  25C, 50C, cps > 200,000    11,270
Bromine Content, %  71
Regulatory Inventory .
CAS REGISTRY NUMBER #   32534-81-9 NAME :  Diphenyl ether, pentabromo derivative
DSL Canada Yes
EINECS Europe   EINECS No. 251-084-2   Yes
ASIA-PAC Australia, China, Japan, Korea, Philippines, and Taiwan   Yes
ECL Korea ECL Serial No. KE-27858   Yes
UNEP/POPS/POPRC.1/5, 24 August 2005 Persistent Organic Pollutants
The fact that a compound is not listed under a specific CAS # in a countries inventory does not mean this compound cannot be used, it can be an exempt compound or polymer which does not require listing, or it can be listed in a different category. Ask your supplier.
Other names: 
Benzene, 1,1'-oxybis-, pentabromo derivative 
Pentabromodiphenyl oxide 

Commercial Products or generic terms used for products. For manufacturer see Additives MFCT.
Some of these products are marketed as antioxidants and not as chain extender
Bromkal G 1 DE 60FTM penta-BDE Planelon PB 501 Saytex 125
Some of these product names might not be commercial anymore, the product names still might be found in old formulations

Last edited on:

July 11, 2006

Copyright, Design, Layout and Technical Content by: